Home / 207,285,232.72-310,719,763.32-70,877,327.44

Finding the Fourth Proportional to 207,285,232.72, 310,719,763.32 and 70,877,327.44

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Solution

The fourth proportional to 207,285,232.72, 310,719,763.32 and 70,877,327.44 is: 106,244,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,285,232.72 : 310,719,763.32 = 70,877,327.44 : x
  2. Step 2: Convert to fraction form
    207,285,232.72/310,719,763.32 = 70,877,327.44/x
  3. Step 3: Cross multiply
    207,285,232.72x = 310,719,763.32 × 70,877,327.44
  4. Step 4: Simplify right side
    207,285,232.72x = 22,022,986,406,910,940
  5. Step 5: Solve for x
    x = 22,022,986,406,910,940/207,285,232.72
  6. Step 6: Final answer
    x = 106,244,840.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.